petrosccd

Dimitri,

An diabaseis prosektika tin apantisi mou tha deis oti den isxirizomai oti allazei o olikos arithmos ton fotonion pou lambanoume (an kai auto episis simbainei se mikres xronikes klimakes kai idios se mikra tileskopia), alla einai lathos na xrisimopoieis to oro "entasi" otan ousiastika anaferesai stin lambrotita tou astera. Giati i entasi orizetai san isxis fotos (arithmos fotonion sti monada tou xronou an thes) sti monada tis epifaneias (einai Watt/m^2 diladi). Synepos i entasi epireazetai apo to seeing opos poly sosta anefere sto paradeigma tou kai o Giannis...

Petros

Genika osa eipothikan apo tous prolalisantes einai sosta, alla prepei na exoume sto myalo mas oti to seeing einai thema kai topou kai xronou. Polloi miloun gia mia euria geografiki perioxi kai lene px oti to seeing sto tade bouno einai kalo... Auto omos einai lathos giati to seeing sti mia plagia mporei na einai kalo kai stin diplani xalia (tin idia nykta) -eno den apokleietai na exoume diaofores kai se apostaseis merikon dekadon metron (px otan eimaste konta se asfaltino dromo klp). Episis xronika mporoun na yparxoun megales diaforopoiiseis analoga me ton kairo (an yparxoun megala systimata pou epireazoun tin perioxi, ti iliofaneia ypirkse kata tin mera klp). Synepos to an kapoio simeio exei kalo seeing einai arketa polyploko thema kai xreiazontai polla statistika stoixeia.

Pantos mporoume na poume oti genika se ena bouno perimenoume kalitero seeing mia kai i maza tou aera pou perna to fos mexri to tileskopio einai mikroteri -omos opos proeipa auto eksartatai se megalo bathmo apo tin akribi topothesia kai ton kairo. Etsi to kalitero simeio se ena bouno einai konta se koryfi kai oxi se plagies, giati polles fores sximatizontai katabatikes roes meta tin dysi tou iliou. Episis polles fores otan o anemos erxete apo tin piso pleura tou bounou, tote pali tha exoume kako seeing giati dimiougeitai strobilismos stin roi pou katebainei tin diki mas plagia (ara prepei na eimaste pos ta ekei pou fysa o anemos). Episis paraliakes perioxes exoun syxna fainomena auras kai isxirous anemous opote pali den einai idanikes perioxes. Stis polis genika to seeing eksartatai para poly apo to pou akribos einai kapoios. An px einai se kapoio anoikto meros xoris polla ktiria tote to seeing mporei na einai kalo, alla sigoura o anemos stis poleis dimiourgei problimata. Dystixos i ektetameni xrisi klimatistikon to kalokairi (akoma kai otan den kanei poly zesti) pou fysoun thermo aera einai to xeirotero. Einai eukolo kaneis na dei ta therma anodika reumata pou sximatizontai gyro apo tis polykatoikies se elafra eksoestiaka eidola! Pantos analoga pou eisaste se ma poli mporei na exete kai poly kalo seeing - prota paratiriste se kales nyktes xoris anemo (idios se periodous pou i thermokrasia arxizei na auksanei meta apo notiadaki) kai meta bgazete symperasmata...

Episis tha ithela na paratiriso oti to seeing epireazei tin entasi tou eidolou! O logos einai arketa profanis: to kako seeing exei san apotelesma na diaspeiretai to fos se megaliteri gonia (o diskos tou astera auksanei) kai synepos i entasi meionetai -bebaia den meionetai to oliko fos pou lambanoume apo ton astera. Synithos omos auto den epireazei tin optiki paratirisi deep sky antikeimenon apo skoteinous oranous giati i megethynsi pou xrisimopoiitai mporei na einai mikri.

Petros

Αγαπητοί φίλοι,

Η πρόταση του Αντώνη (να μην υπήρχαν οι τοπικοί σύλλογοι που υπάρχουν αλλά να υπήρχε ένας εθνικός σύλλογος) είναι ενδιαφέρουσα, αλλά νομίζω ότι δεν έχει σχέση με την Ελληνική πραγματικότητα, ενώ δεν έχει και ουσιαστικό νόημα γιατί στην Ελλάδα υπήρξε άλλη ιστορική εξέλιξη. Επιπλέον αυτό που δουλεύει σε κάποια άλλη χώρα δεν σημαίνει ότι κάνει και για μας. Εδώ να θυμίσω ότι πχ στις ΗΠΑ τα πράγματα δεν είναι όπως στον Καναδά, αλλά κάθε χωρίο έχει και δικό του σύλλογο. Το τι είναι καλύτερο -δηλ. ένας εθνικός σύλλογος με πολλά τμήματα ή πολλοί σύλλογοι τοπικοί νομίζω ότι είναι πιο πολύ θέμα γούστου και ιστορίας (γιατί σίγουρα άλλη ανάπτυξη και παράδοση έχει ο Καναδάς και άλλη εμείς). Τώρα το επιχείρημα ότι καλύτερα ένας σύλλογος με 500 μέλη παρά 50 με 25 μέλη, νομίζω θέλει επαρκή τεκμηρίωση... Τι ακριβώς εννοείς Αντώνη? Γιατί είναι καλύτερα?

Πέτρος

Galaxia, gia sou ki apo mena,

Symfono 100% me auta pou leei o Giannis. Ostoso i diki mou apopsi einai oti 900 euro gia proto tileskopio (kai molis 9cm) einai polla. Nomizo i kaliteri epilogi tha itan ena tileskopio xoris polla frou-frou, xeirokinito gia na matheis kai ton ourano...

Petros

Agapitoi filoi,

Exthes to bradi paratirithike apo arketes perioxes tis Ellados ena poly foteino fireball. Opoios to eide parakalo as epikoinonisei mazi mou sto:

peter_ccd@hotmail.com

prospatho na sygkentroso plirofories sxetika.

Euxaristo,

Petros

Bre Kosta ti planites kai fotografisi tous tha kaneis me 90mm?? Gia na mporeis na deis kati ousiastiko thes arketa megalitero tileskopio. Mia kali lysi an den mporeis na diatheseis ta xrimata pou apaitountai einai na ksekiniseis me optiki paratirisi me ena Neftonio >15cm...

Petros

Des exo S&T alla logika prepei na itan o Ganimidis pou eixe transit mexri tis 8pm.

Petros

Mia diorthosi, to thampogialo legetai etsi oxi giati otan den estiazeis einai thampa, alla giati einai akribos auto pou leei i leksi! Einai ena gialaki me tin mia epifaneia oxi leia alla traxeia. An kaneis koitaksei mesa apo to tzamaki auto ta antikeimena piso tou fainontai thampa akribos logo tis traxititas tis epifaneias. Ostoso i eikona tou fakou otan estiastei epano se auti tin traxeia epifaneia mporei na fanei kai apo piso kai gia auto xrisimopoieitai stis fotografikes mixanes. Me alla logia to thampogialo einai akribos opos ena rizoxarto, an deis mesa apo auto ola fainontai thampa, alla an pareis ena fako kai estiaseis se auto i eikona fainetai kai mpros alla kai piso apo auto.

Petros

H akribis imerominia tis isimerias diaferei apo xrono se xrono giati i periodos peristrofis tis gis gyro apo ton ilio den einai akeraio pollaplasio tis periodou peristorfis tis gis gyro apo ton aksona tis. Yparxei xondrika mia diafora tis takseos ton 6 oron (gia auto exoume kai ta disekta eti), me apotelesma i gi na brisketai kathe 21/3 ligo pio piso stin troxia tis -mexri na diorthothei me tin epipleon imera tou disektou etous. Me alla logia to politiko imerologio den symbadizei akribos me tin thesi tis gis stin troxia tis.

Petros

Nick,

I can't give you a specific address at the momment but there are several companies that make sun-glasses, by means of aluminizing (you know the reflective sun-glass type that looks like a mirror). Of course they usually make very thin coatings but I think they could easily accomodate a thicker coating for you. The other option would be shipping abroad.

Petros

H C1 exei mixaniko shutter kai Bulb. Einai apli mixani kai kali mixani xoris polla frou-frou... Kanei mia xara gia astrofotografisi. Yparxei kai se montelo me xronokathisterisi (C1B or kati tetoio).

Petros

Ta dio simantika themata pou prepei na prosekseis einai i mixani na exei Bulb (opos anefere kai o timepasser) kai to shutter na einai mixaniko! An einai ilektroniko, tote gia na meinei anoikto xreiazetai na katalonei reuma apo tin mpataria, opote me tin proti ekthesi sto kryo tis nyktas exei teleiosei i mpataria kai i mixani einai axristi! Episis kalo einai na exei xronokathysterisi (typika 10sec), oste na teleionoun oi talantoseis pou dimiourgountai apo to patima tou koumpiou prin parei tin eikona... Auta einai ta basika kai gia astrofotografisi den xreiazesai tipote parapano! Psakse se magazia pou poulane metaxeirismenes kai kati tha breis...

Petros

Kanal,

An mporeis na stiseis ena mikro paratiritirio stin taratsa (kati aplo me roll-off roof) tote isos aksizei... Allios an i apaitisi sou einai na metafereis to tileskopio synexos tote to C-14 den einai gia sena!

Petros

Kanal,

Kai san ogko to C-14 einai poly megalo kai an to autokinito sou den exei arketo apothykeutiko xoro den tha mporeis na to metafereis! Apo oti ksero auto einai kai to problima tou Antoni me to autokinito pou exei...

Bebaios den thelo na se apotharino, to C-14 einai ena poly kalo tilekopio gia oti theliseis na kaneis, alla thelo na se proidopoiiso sxetika me ton ogko kai to baros tou oste na min kaneis gkafa kai bretheis me ena C-14 na pianei skoni sti apothyki sou! Ego pisteuo oti ena tetoio tileskopio einai gia monimi egkatastasi. An diathetis sxetiko xoro, akoma kai se poli me fotorypansi, einai kalitera na to egkatastiseis ekei para na to xrisimopoieis mono mia-dio fores to xrono pou tha mporeis kai tha exeis diathesi na to metafereis se skoteino ourano!

Petros

Kanal,

To 12" Dob einai pio eukolo sti metafora... min to sygkrineis me ena C-14 se isimerini basi! (mono ta antibara tha zygizoun oso to 12" sou!)

Petros

File Kanal,

To C-14 einai ekseretiko organo, alla exe ypopsin sou oti i metafora tou den tha einai kai toso eukoli logo kai ogkou kai barous! Isos ena C-11 na se bolepsei kalytera an thes na to metafereis se skoteinous ouranos.

To thema einai oxi na pareis to megalitero dynaton tileskopio me ta lefta pou diatheteis alla auto pou mporeis na xrisimopoieis syxna! Min parasyrtheis giati mporei na bretheis me ena tileskopio teras pou spanios xrisimopoieis...

Petros

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opos eipa kyrio logo paizei kai oi poiotita ton optikon,,,,den boro loipon na katalavo ti sas kanei na pistevetai oti an valoume dipla dipla ena poly kalo Newton tileskopio me 20% devterevon kathrevti ,kai ena poly kalo apohromatiko me 0% episkiasi,oti to Newton tha mas deixei mia kalyteri eikona stous planites.

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File astrocrazy, kaneis den eipe auto... diabase prosektika ti grafo sto proigoumeno minima mou! Se auti tin periptosi kai MONO (diladi idio megethos) to apoxromatiko tha einai kalitero apo to Neftonio (an kai i diafora einai POLY mikri -eno den einai dyskolo na meiothei to deutereuon se ena 12-13% opou i diafora einai kai mathimatika apeiroelaxisti). Epipleon to kostos enos systimatos den einai kai endeiktiko tis poiotitas tou, alla tis dyskolias -or eukolias- kataskeuis kai ton ergatooron pou exoun katanalothei gia na paraxthei. Auto akribos einai to noima tou sxoliou mou sxetika me ton arithmo epifaneion pou prepei na kataskeuastoun sto apoxromatiko...

Tora sxetika me tis apoleies fotos kata tin anaklasi autes mporei na einai kai megaliteres (akoma kai 20%) osto autes oi apoleies den epireazoun me kanena tropo tin poiotita tou eidolou (ektos kai an symbainoun anomoiomorfa). Auto isxiei kai gia tis apoleies fotos logo dieleusis sto fako (pou mporei na einai safos megaliteres) eidika sto mple, eno sto UV o fakos ginetai teleios adiafaneis! Ostoso oi esoterikes anaklaseis blaptoun tin poiotita kai den eksaleifontai entellos akoma kai me tis epistroseis. Ase pou merika gialia einai astathi kai meta apo merika xronia xreiazotai na ksanaftiaxtoun oi epifaneies (opos ta flint pou xrisimopoiountan gia to mesaio stoixeio.

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Alla pistevo oti yparhei kai mia dosi antidrasis ston ishyrismo oti i poiotita tou newton stous planites einai kalyteri apo tou dioptrikou,poly katanoiti fysika avti i antidrasi an koitaxoume tis astronomikes times ton kalon dioptrikon,einai gegonos oti prokaloun mia antipatheia se emas pou den ehoume ta hrimata na agorazoume avta ta pragmata.

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Elpizo na sou edosa na katalabeis oti akribotero/=kalitero. Opos diapistoneis oi apantiseis mou einai me epixeirimata basismena stin optiki. Den exo kamia antipatheia sta diathlastika optika, an ithela mporousa na eixa parei ena 6" apo... omos den to ekana kai oute prokeitai! apo tin stigmi pou ena px 12" Neftonio or SCT einai ena POLY kalitero tileskopio! (gia psakse na deis posa apoxromatika kanoun eikones ypsilis analysis kai meta ta leme)

Opos sou eipa to Neftonio exei pareksigithei giati prepei to proteuon na exei mia poly kali poiotita gia na deiksei ta dontia tou! Kati pou bebaia den tha breis sta poly ftina Neftonia, oute sta Kinezika, giati opos eipa kai prin i timi kathorizetai apo tin dyskolia kataskeuis (diladi to design) alla kai tis ergatoores pou katanalonontai (kai gia optika ypsilis poiotitas xreaizontai arketes).

Filika,

Petros

File aenaon,

Opos tha katalabes apo tin syzitisi opos diadramatistike, tileskopio gia oles tis douleies den yparxei... An auto pou se endiaferei einai perissotero i optiki paratirisi tote mia lysi san auti pou proteini o Giannis apo tin Aktis (8" Neftonio stin HEQ-5) nomizo einai poly kali, kai exeis kai mia aksioprepi isismerini basi. An omos se endiaferei poly na kaneis kai astrofotografisi tote mia kaliteri epilogi einai ena 8" SCT stin EQ-6...

Tora sxetika me ton filo takis63, auta pou anafereis fainontai kai me 60mm! (dio tainies sto Dia, to Casini, klp) Auto den symainei oti to tileskopio sou den einai kalo, alla oti gia na krineis tin poiotita tou xreiazontai pio apaititikoi stoxoi -px eblepes leptomeries mesa stis tainies opos festoons, rift klp? Genika ego pisteuo oti to 6" LXD-55 einai to pio aksioprepes tis seiras. Tin basi pos tin brikes? Einai statheri? diladi otan akoumpas ton estiasti gia na estiaseis to tileskopio kounietai toso pou dyskoleuei na katalabeis tin sosti estia? Meta otan to afiseis poso xrono xreiazetai gia na stamatisoun entelos oi talantoseis?

Telos, file astrocrazy, to Neftonio einai ontos to optimum design gia optiki poiotita giati i apodosi tou ousiastika eksartatai apo mia mono epifaneia! To gegonos oti to deutereuon einai epipedo symainei oti i euthigramisi tou (kai i apostasi tou apo to proteuon) den einai krisimi gia tin optiki poiotita. Auto den isxiei gia tileskopia opos ta Cassegrain, Shmidt-Cassegrain, Maksutov, Ritchey-Chretien, Dall-Kirkham, Pressman-Camichel, klp, pou exoun kampyla deutereuonta katoptra. Episis polla apo auta ta sxedia epitygxanoun to mikro mikos solina me proteuon poly mikrou f tis takseos tou f/2-f/3! Opos katalabaineis oi anoxes ekei einai poly mikres... Tora ta apoxromatika tileskopia, dystixos exoun fakous ftiagmenous apo 3 or 4 stoixeia, ara xreiazontai na kataskeuastoun 6 or 8 epifaneies pou prepei na exoun sygkekrimenes aktines kampylotitas (eno sta Neutonia auto epireazei mono tin akribi estiaki apostasi) kai sfalmata mesa se kapoia plesia (px lamda/10). Autos einai kai o logos pou ta en logo tileskopia einai kai toso akriba. Bebaia oi epifaneies ton diathlastikon optikon exoun megaliteri anoxi apo oti sta katoptrika sta sfalmata (typika 3 fores megaliteri) alla me toses epifaneies to pleonektima eksanemizetai kai eisagontai kai esoterikes anaklaseis... Episis auta ta stoixeia prepei metaksi tous na einai kala euthigramismena allios parousiazetai xroma! Auto einai pou enoouse o Giannis (orion) kai tetoia euthigrammisi den ginetai oute se Astrophysics, oute se TMB, oute se Takahasi -etsi kai allios i euthigramisi 3 stoixeion den einai katholou apli douleia kai den tha mporouse na ginei apo ton idioktiti.

Episis kati anakribes file astrocrazy -alla einai poly dimofilis myhtos- einai oti i poiotita einai to pio symantiko xaraktiristiko... Ta pragmata den einai etsi. Ena apoxromatiko tileskopio px 6" einai men kalitero apo ena 6" Neutonio logo elipsis kentrikis empodisis, alla oxi apo ena megalitero, px 8" or 10" Neutonio, parolo pou kostizei poly parapano! Episis ena 6" me 35% kentriki empodisi den mporei na einai kalitero apo ena 6" me 20% empodisi an kai ta dio exoun to idio kala optika -bebaia i diafora einai toso anepestiti pou ousiastika den einai orati se ena meso paratiriti (episis yparxoun kai orismenes poly eidikes periptoseis pou ena tileskopio me megali kentriki empodisi exei megalitero resolution). Bebaia o mythos tis kakis poiotitas tou Neutoniou einai pio poly proion ton xamilis poiotitas kai timis, dithen "Neftonion" tileskopion opos Tasco klp me mikra f kai katoptra sfairika!

Petros

File aenaon,

Prota ap' ola elpizo oti enoouses club astronomias kai oxi astrologias! Epeidi eisai arxarios sygxorisai alla as min sygxaioume tin pseydo-epistimi (tous apateones diladi) me tin epistimi.

Telos panton, o Fred exei dikio, min trekseis na agoraseis tileskopio xoris na exeis pliri katanoisi peri tinos prokeitai -kai POTE me gnomona tis elkistikes diafimiseis! Exe ypopsi sou oti pleon oles oi megales etairies (MEADE, Celestron klp) sta mikra tous montela exoun tileskopia ta opoia ftiaxnontai merikos i eksoloklirou stin Kina (gia auto kai oi xamiles times) kai mono ta top level tileskopia einai ftiagmena me ena pio aksiprepi elenxo poiotitas (diladi LX200 gia MEADE kai CM1100 gia Celestron).

Auto bebaia den simenei oti ena Kineziko tileskopio den tha einai aksioprepes gia ta lefta tou, alla min perimeneis kai kati super poiotitas. Mia kai eisai arxarios einai kalitero na apofygeis na doseis polla lefta mia kai den exeis empeiria kai gnoseis gia na krineis...

Edo tha ithela na diorthoso tous prolalisantes: proton (timepasser) ta SCT einai katadioptrika (isos enoeises to antitheto kata lathos), kai deuteron (astrocrazy) ta Neftonia einai o optimum (o kaliteros dynaton) optikos sxediasmos gia planitiki paratirisi. Ta SCT ousiastika antiprosopeuoun ena symbibasmo apo apopsi optikis sxediasis metaksi optikis poiotitas, dynatotitas aksioprepous eureous pediou kai eukolias mazikis kataskeuis. To SCT einai ena tileskopio sxediasmeno gia na ikanopoiisei oso ginetai perisoteres anagkes (ara kai euritero koino) kai san auto den einai ekseretiko pouthena. Ostoso ena SCT pano apo 10" arxizei na ginetai sobaro egraleio, eno exei kai arketa pleonektimata gia photografisi kai CCD.

Ego pantos tha sou proteina eite na pareis ena mikro tileskopio (px ena 6" Dob) kai na matheis pano se auto, eite an thes kati pou na mporeis na kaneis parapano pragmata apo optiki paratirisi (diladi to blepeis san mia mikri ependisi), na agoraseis ena Neftonio or SCT me mia kali omos isimerini basi opos px ta 8" tis Celestron (or Skywatcher ta idia einai) me tin EQ-6 pou einai mia stibari basi pou sou epitrepei kai na fortoseis pragmata kai dinei dynatotita astrofotografias. Kalo einai na apofygeis ta yper-diafimismena ftina GOTO tileskopia (LXD-55) ta opoia sigoura den exoun optiki poiotita gia tipote parapano apo deep-sky, eno kai i basi den tha sou epitrepsei kai perisotera pragmata apo optiki paratirisi (auto isxiei kai gia ta NexStar)... eno dystixos me to GOTO den tha matheis pote ton ourano -ase pou gia optiki paratirisi to GOTO einai axristo afou mia kali isimerini basi exei kyklous skopeusis kai xeirokinita kaneis tin idia douleia!

Elpizo na se problimatisa oste na energiseis prosektika. Kalo einai na deis kai ta tileskopia pou se edniaferoun apo konta kai se drasi prin apofasiseis (merikoi dealers kanoun epidiksi kai to bradi). Ta LXD-55 den eixa tin eukairia mexri tpra na to do apo konta se drasi, alla an perimeneis ligo kairo tha exo na sou metafero sxoleia sxetika (an pali eisai apofasismenos i diki mou symbouli einai na pareis to 6")...

Pantos an kapoios sto forum exei parei to en logo tileskopio kalo einai na grapsei merika sxoleia sxetika... Epeidi ta tileskopia auta einai ftyna (stin Ameriki) kai exoun diafimistei para poly nomizo oti endiaferoun pollous arxarious.

Petros

[ 24 Φεβρουαρίου 2003: Το μήνυμα τροποποιήθηκε από: petrosccd ]

File Pano,

Tis zones tou Dia tha eprepe na tis eblepes ypo opoiesdipote synthikes (seeing, ygrasia klp), me 90mm. Kanoun mpam me 60mm -fantazome kai me mikrotera tileskopia! Bebaia ena 90mm MAK-CAS pou anafereis einai pio poly tilefakos para tileskopio kai sigoura an mporouses na deis apo ena kalo 60mm dioptriko to eidolo tha itan safos anotero. Ostoso, tha eprepe na blepeis tis zones kai tin kokini kilida kai me to 90mm... den mporo na katalabo giati den mporeis. H ta optika einai poly kakis poiotitas (den apokleietai i KONUS den fimizetai gia kala optika), or to tileskopio thelei euthigramisi -an bebaia yparxoun bidakia pou sou epitrepoun kati tetoio...

Tora sxetika me tin agora tou tileskopiou pou les, to 25cm Skywatcher prepei na einai arketa kalo kai gia planites (gia deep-sky den mpainei thema) alla bebaia min perimeneis teleia optika apo kati toso ftino. Ego pantos tha sou proteina na min pareis to Dob, alla auto pou exei stin isimerini stiriksi (basika einai i EQ-6, pou tin exei baptisei "Atlas"). Nomizo oti to na exeis odigisi kai dynatotia fotografisis/CCD aksizei ta liga parapano xrimata. Bebaia panta yparxei kai i dynatotita na pareis to Dob an tora den mporeis na diatheseis parapano kai meta na pareis tin EQ-6 (1000 euro apo Aktis an den kano lathos) argotera... OR isos kalitera einai na pareis to 20cm alla ME ti isimerini stiriksi anti to 25cm Dob!

Petros

(Sorry Atlas leei tin EQ-6 i Orion...)

[ 17 Φεβρουαρίου 2003: Το μήνυμα τροποποιήθηκε από: petrosccd ]

Antoni,

Dokimase kai sto kentro ston Papasotiriou (odos Stournari apenanti apo tin eisodo tou Polytexniou), teleutaia fora pou eixa paei (prin apo poly kairo prepei na omologiso) eixe ton Ourano kai kapoia palia teuxoi (pou mallon tous eixan meinei)...

Petros

Prepei na einai lathos i sygkekrimeni metafrasi... Prin arketa xronia to eixa psaksei kai ego sxetika me to legome mystirio tou Siriou. An den kano lathos kai anaferestai stin Hliada sto simeio pou o Axileas skotonei ton Ektora. Ekei o Omiros sygkrinei tin panoplia tou Axilea (kai oxi ton idio ton Axilea) me ton Sirio... Kai oxi ton Aposperiti diladi tin Afroditi -kati pou bebaia tha itan ektos topou kai xronou (diladi na sygkrinei ton polemisti tin ora tis maxis me tin Afroditi -mallon kati tha petage san apotelesma tis sygkrisis to koino ston rapsodo)! Telos panton, auti i anafora tou Omirou exei ginei antikeimeno astronomikis kai filologikis meletis giati oi polemistes tin epoxi tou Omirou foragan panoplies apo xalko kai synepos itan erythroxromes. Simera omos o Sirios einai leukos! Dedomenou oti mia tetoia allagi sto xroma tou astrou den mporei na ginei -symfona me tin theoria tis astrikis ekseliksis- toso syntoma i anafora auti einai mystirio (kai to problima einai oti to erythro xroma tou Siriou to anaferoun kai alloi arxaioi syggrafeis). Bebaios i anafora ston Oriona einai apolitos fysiologiki afou o Orionas brisketai dipla sto Sirio (o Orionas malista paristanei enan ouranio kynigo kai o Sirios einai to foteinotero astro tou asterismou tou Mega Kynos -diladi tou skylou tou kynigou). Malista i xroniki periodos pou topothetitai i skini einai ksymeromata ta teli tou Iouniou opou o Hlios anatelei mazi me to Sirio! Auti i xroniki periodos gia tous arxaious syndeotan me ton polemo kai tin "lysa" pou o KATAKOKKINOS Sirios metedide stous andres... Einai loipon apolytos fysiologiko o Omiros na topothetei ti monomaxia kai to fono tou Ektora tin epoxi auti.

To problima einai oti i metafrasi (tou Kazantzaki an den kano lathos) exei mperdepsei ton Sirio me ton Aposperti or Espero (oxi oti i Afroditi den tha mporouse na yparxei stin skini alla den tairiazei me tin sygkekrimeni skini pou perigrafi tin pio gnosti anamtrisi tis Hliadas).

Petros

An thymamai kala, apo oti mou eipe kapoios pou pige sto Nomiko i prosfora gia ta prosofthalmia den isxiei se mas (Europi or Ellada mono?)...

Petros

Naki,

Gia na deis an mporei na estiasei i fotografiki mixani prepei prota na elenkseis ti apostasi exei to estiako epipedo apo to piso meros tou estiasti otan einai pliros katebasmenos. Gia na to metriseis apla bale sto tileskopio tin selini kai probale tin pano se ena leuko xarti. Metakinise to xarti mpros-piso mexri na breis pou i eikona einai kala estiasmeni kai tote metrise tin apostasi xartiou - estiasti (pliros katebasmenou enoeitai) me ena xarakaki. Gia fotografia i apostasi prepei na einai toulaxiston 5cm, giati i apostasi tou film apo to mprosta meros tis fotografikis mixanis (apo ekei pou prosarmozetai o fakos diladi) einai kati parapano apo 4cm. An tora ypologiseis kai to T-ring kai ton adaptor gia to 1.25" katalabaineis oti me ligotero apo 5cm perithorio den yparxei kamia pithanotita na estiaseis! Kalo einai na metriseis poso perithorio theleis metrontas to mikos olis tis diataksis apo to simeio pou mpainei i mixani ston estiasti mexri tin plati tis, symperilabanomenou kai tou T-ring kai adaptor an yparxei...

Se auti tin periptosi pou to perithorio pou exeis einai mikrotero apo oso xreiazetai exeis dio lyseis:

a) metafereis to kyrio katoptro pio mprosta merika ekatosta oste na exeis to aparaitito perithorio kai

b) agorazeis ena low-profile estiasti.

H (b) lysi einai kalyteri giati i (a) dimiourgei problima mia pou to deutereuon itan ypologismeno gia mikroteri apostasi mexri to estiako epipedo kai mporei na apokoptetai fos sta akra tou pediou. Ostoso i lysi (a) einai ftinoteri tis (b) kai to na peiramatisteis sxetika den exei kanena kostos...

Kali xronia,

Petros

H sxetikotita den exei sxesi... akoma kai sti Neftonia fysiki kaneis mporei na kanei tous idious ypologismous kai na ypologisei tis troxies ton ypoloipon somaton theorontas mi adraniako SS. H Neftonia theoria pote den apaitouse ton ilio (diladi to KM) sto kentro tou SS. Oute i sxetikotita dinei alles lyseis apo autes tis Neftonias, oi diafores einai panta poly mikres... Kai stis dio theories to apotelesma einai to idio, oti SS kai an iothetisoume: ta somata peristrefontai gyro apo to KM! An thes na sto po diaforetika eukola kaneis paratirei oti me tin gi sto kentro tou SS oi esoterikoi planites panta menoun konta ston ilio, eno oi eksoterikoi opos Dias/Kronos exoun periodo peristrofis gyro apo tin Gi pou den einai statheri (auto ofeiletai sto oti oi troxies ton planiton gyro apo ton ilio einai elipseis), pragma pou den symbainei otan bebaia ypologisoume tis periodous tous gyro apo ton ilio! Tha to ksanapo loipon, den apla thema mathimatiko alla fysikis i yparksi tou KM pou orizei to kentro peristrofis. As min ksexname oti to iliako systima kineitai kai ston galaksia kai to KM mas parasyrei olous mazi tou...

Diladi an blepame tous planites enos gyronikou astera (pou bebaia tous koubalaei mazi tou sto diastima) ti tha legame oti kinountai gyro apo tin Gi, or ton Ilio??? Den nomizo...

Petros