giorgosgr

Geia xara! Egw thewrw katallhloterh wra kyriakes brady meta tis 10.Logw kalokairiou paraskeyh kai sabbato polloi den tha eimaste spiti alla eite tha parathroume eite tha exoume ... eksodo. Ws arxh ayth thn kyriakh meta tis 10 proteinw na synanththoume ekei.Egw ektos aprooptou tha eimai sto kanali astrovox tou grnet. Gia osous den gnwrizoun apo IRC.. grafoume sto mirc tis ekshs entoles: /server afros.irc.gr (h opoion allon server tou grnet theloume) kai afou syndethoume /join #astrovox. Perimenw thn antapokrish opoiou filou/filhs thelei. Katharous ouranous!

Dob 8" me mhxanaki den metaferetai, ektos kai exeis kamia palia BMW me kalathi sto plai Lyseis: a)agorazeis prwta aytokinhto kai meta to dob. b)metakomizeis se meros me skotadi wste to thleskopio na mhn xreiazetai metakinhsh. Katharous ouranous!

Geia sas! Prin kamposo kairo eixe arxisei na dimiourgeitai mia kinhsh sto kanali astrovox sto grnet. Dystyxws oses fores exw mpei tous teleytaious mhnes den einai mesa kaneis. Proteinw opoios einai operator(elpizw na to diabazei ayto) na bazei sto topic kapoia hmeromhnia kai wra online synanthshs wste na mporoume na synantiomaste kai na milame zwntana ekei. Perimenw gnwmes kai allwn filwn. Eyxaristw!

Geia sou file pl1! Periorismenh astrofotografia me dob einai apolytws efikth.Mporeis na dokimaseis na fwtografhseis se prwth fash selhnh hlio(me katallhlo filtro fysika) kai tous lamproterous planhtes me thn methodo afocal.Dhladh h mhxanh estiasmenh sto apeiro na stoxeyei mesa ston prosofthalmio.Kalyterna na einai sthrigmenh eite se tripoda eite se kapoion adaptora-braxiona(px orion steady pix).Protimoteres oi pshfiakes mhxanes logw mikroterou ogkou-barous kai dioti blepeis amesa to apotelesma.En anagkh mporeis na dokimaseis kai me thn mhxanh krathmenh sto xeri An exeis ypomonh (kai stathero xeri) kai etsi merikes tha bgoun kales. Gia makres ektheseis to pragma peripleketai me ypsoazimouthiakes sthrikseis.Akoma kai an einai dynaton na akolouthoun thn peristrofh ths ghs aytomata, h kinhsh se dyo aksones se makra ekthesh prokalei peristrofh tou pediou(field rotation).Kai se ayto yparxoun lyseis alla oxi aples oute oikonomikes.An theleis deep sky fotografhsh tote protimoterh mia stibarh ishmerinh sthriksh. Elpizw na se bohthsa kapws. Katharous ouranous.

File antony geia xara! O C/2003 K4 ayth th stigmh einai konta sta oria tou asterismou tou Kyknou me thn Lyra. Symfwna me to The Sky IV apexei 2 moires apo to NGC 6819.Den aneferes ti thleskopio/megethynsh xrhsimopoihses kathws kai tis synthkes pou epikratoun sthn perioxh sou.Egw sto shmeio pou htan o komhths diekrina asteres 5ou megethous me gymno mati.An aneferesai ston diplo Σ2578 ekei htan o C/2003 K4 stis 17/5 xtes eixe metakinhthei arketa.An deis kapoio antikeimeno pou pithanologeis pws einai komhths anebase thn megethynsh na ginei skoteinotero kapws to pedio kai parathrhse meta apo wra na deis an yparxei metakinhsh tou ypoptou antikeimenou.Epishs mporeis na kaneis ena proxeiro skitsaki tou pediou kai na to tsekareis me kapoio programma opws to the sky, starry night klp. Keep on trying! Katharous ouranous!

Koitazontas ta stoixeia komhtwn sto site tou Harvard eida pws o komhths C/2003 K4 (Linear) brisketai ston Kykno. Stis 17/5 apofasisa na ton psaksw me to 8" f/4.5 dobsonian xrhsimopoiwntas prosofthalmio 18mm Meade SWA(51x). Ystera apo arketh wra psaksimo ton entopisa sto idio pedio me enan wraio diplo astera.Symfwna me to Burnhams htan o Σ2578 (ton diplo anaferei kai o Plakidhs sto EKSAIRETIKO!!! biblio tou). Htan poly amydros, isws kai katw apo to dhmosieymeno megethos tou (enato).Htan mikros kai den diekrina oura.Exw kai arketh fwtorypansh apo to mpalkoni mou. Stis 20/5 wra 2:30 ton entopisa metakinhmeno panw apo ton astera 15 Kyknoy.Kalytera oratos me prosofthalmio 10mm plossl(91x).Moy fanhke lamproteros.Ypologizetai pws siga siga to fthinopwro tha ftasei sto 5o megethos. To pedio htan mesa ston Galaxia kai plousio se asteres. Perimenw apo filous parathrhseis tou idiou komhth Katharous ouranous!

File crusader, ta filtra pou bidwnoun ston prosofthalmio briskontai poly konta sthn estia tou antikeimenikou fakou kai sygkentrwnetai olh h thermothta epanw tous me apotelesma na yparxei sobarotatos kindynos na spasei to filtro opws parathreis kai na xaseis thn orash sou! Synepws na xrhsimopoieis PANTA filtro pou prosarmozetai ston antikeimeniko fako kai kobei to hliako fws prin ayto mpei kan sto optiko systhma tou thleskopioy. Des epishs to posting mou http://www.astrovox.gr/forum/viewtopic.php?p=1314&highlight=#1314 pou einai sxetiko me to thema. An den exeis filtro h texnikh ths probolhs tou hliakou eidwlou se ena leyko petasma pou anaferei o fred gia dioptrika thleskopia einai poly kalh kai eyxrhsth. Ena allo meson gia na parathrhseis ton hlio eksairetiko gia dioptrika thleskopia einai to legomeno prisma Herschel (Herschel prism h Herschel wedge).To prisma Herschel anakla mono 5% tou hliakou fwtos kai xrhsimopoieis filtro ston prosofthalmio dioti kai to 5% tou hiakou fwtos einai arketo gia na se tyflwsei plhn omows h thermothta den einai arketh wste to filtro na spasei. Thewrw eayton tyxero pou brhka ena tetoio prisma ths Vixen.Den ta exei pia ston katalogo ths Ap oti gnwrizw ta katraskeyazei akoma to baader planetarium alla oi times eidika gia to 2" einai tsouxteres. Epi th eykairia tha me endiefere na mathw an kapoios filos exei prisma herschel Katharous ouranous!

File crusader, sxetika me ayta pou rwtas: 1)Ta xrwmatista filtra xrhsimopoiountai kata thn parathrhsh twn planhtwn me skopo thn aykshsh tou contrast orismenwn leptomereiwn twn epifaneiwn tous.Egw proswpika ta exw brei arketa xrhsima.Px gia thn parathrhsh tou arh ena portokali filtro kanei tous skoteinous sxhmatismous eykolotera oratous.To prasino bohtha sto na fanoun kalytera ta polika pilidia(m aresei ayth h metafrash gia ta polar caps ). Oson afora twra thn diabash ths Afrodiths ta xrwmatista filtra den eksyphretoun se tipota. 2)Pairneis ena thlefwno kai rwtas. 3)Kai o nomikos exei antistoixa filtra.Oles oi etaireies pou kataskeyazoun thleskopia exoun seira xrwmatistwn filtrwn.Oi apoxrwseis einai stadarismenes me bash tous kwdikous xrwmatos gia filtra wraten ths kodak kai synepws opoias etaireias xrwmatisto filtro na pareis to idio einai ws pros thn apoxrwsh an exei idio arithmo wraten. To filtro selhnhs einai aplws ena filtro oudeterhs pyknothtas to opoio meiwnei to ektyflwtiko fws ths selhnhs eidika se thleskopia megalyterhs diametrou. Apo hiliako filtro gnwmh mou einai na agoraseis to filtro ths baader ws aplo fylo A4 kai na kataskeyaseis to xartino cell opws leei stis eswkleistes odhgies. Ayto ekana kai egw gia na prosarmosw hliako filtro baader se ena dioptriko Vixen twn 80mm pou exw. Prosoxh POTE den xrhsimopoioume hliako filtro pou bidwnei ston prosofthalmio. Elpizw na bohthhsa

File crusader, katebase to programma cartes du Ciel ( http://astrosurf.com/astropc/ ) to opoio einai freeware, wste na anagnwriseis tous asteres stous opoious anaferesai.Me asafeis perigrafes apo edw den einai dynaton na labeis apanthsh. Filika, Giorgos

Συμπλήρωση: Ναι αυτός ο μήνας είναι κατάλληλος για την παρατήρηση του ω Κενταύρου.Κάποιος που έχει επίπεδο ορίζοντα προς νότο (πχ θάλασσα) μπορεί να ψάξει με κυάλια αρκετά νότια του Στάχυ (α Παρθένου) Καλά να περνάτε!

Σύμφωνα με το πρόγραμμα Cartes du Ciel το ω Κενταύρου χτες στις 23:30 είχε ύψος από τον ορίζοντα 5 μοίρες και 36 πρώτα από εδώ που βρίσκομαι (γεωγραφικό πλάτος 37 μοίρες). Καθαρούς ουρανούς (ειδικότερα προς το νότο)

Απόψε 23:30 το σφαιρωτό σμήνος ω Κενταύρου ήταν κοντά στην μεσουράνησή του. Χρησιμοποιώντας κυάλια 10x40 το εντόπισα εύκολα από το μπαλκόνι μου.Είναι τεράστιο!Πολύ πιο μεγάλο απο το Μ13 και το Μ22. Η τέντα του γείτονα εμπόδιζε να το δω με τηλεσκόπιο Καθαρούς ουρανούς σε όλους!

Geia xara! Egw agorasa ton adaptora apo ton nomiko ston peiraia(www.telescopeshop.gr).Den thymamai timh giati paei kairos kai eixa parei kai alla pragmata mazi.Mporeis na pareis ena thlefwno kai na rwthseis. Kala na pernas!

Geia xara! Mporeis me enan adaptora-braxiona opws o steady pix ths orion h antistoixa proionta allwn etairiwn na sthrikseis thn mhxanh ston prosofthalmio kai na dokimaseis afocal fwtografhsh. Etsi exw kanei egw me thn Olympus C-150 pou exw,h opoia exei stathero fako xwris speirwma gia prosarmogh filtrwn. Katharous ouranous.

Geia xara! Molis ekana ena search sto site tou bibliopwleiou protoporia(www.protoporia.gr)kai to brhka.Skopeyw kai egw na to agorasw. Katharous ouranous!

File antony fysika kai isxyei kai se dioptrika h thermokrasia periballontos aplws einai ligotero eyaisthhta sto thema. (kleistos swlhnas, synhthws mikrotero megethos thleskopiou). Katharous ouranous

File crusader, mallon ofeiletai se aykshmenh atmosfairikh diataraxh (kako seeing) kai syndyasmo ypshlhs megethynshs ayto pou eides.Pithanotata epishs na mhn eixes afhsei arketh wra to thleskopio sou eksw wste na parei thn thermokrasia tou periballontos aera. Ksanadokimase thn parathrhsh sou otan einai pio statherh h atmosfaira kai apofeyge,an einai dynaton, na koitas panw apo taratses kai tsimentenies epifaneies pou ekpempoun thermothta gia arketh wra meta th dysh tou hliou. Epishs kalo einai na apofeygetai h patrathrhsh otan kapoio ouranio swma einai xamhla ston orizonta. An yparxei kako seeing dokimaze pio xamhlh megethynsh. katharous ouranous

File crusader, h apanthsh pou edwsa sthn debora kalyptei kai esena Stamatw edw ta postings mou,den xaramizw allo xwro kai xrono na syzhtw peri UFO. Kala na pernate

Geia sou debora! Eyxaristw gia ta xronia polla.Na sai kala! Oso gia ta UFO... oti kai na exeis dei mporei na mhn kserw ti htan, kserw omws oti sigoura den htan .... diasthmoploio ekswghinwn Kala na pernas!

tha apanthsw apla: ELEOS! Fysika kai OXI!

Geia xara! kala poso mhkos exi to dob sou?? Egw exw homemade 8" f/4.5 pou einai konto kai parathrw kathistos eite se karekla eite se skamni(exw ypsos 1,82). Mhn pareis tipota apo to emporio, sta dobs h thesh tou prosofthalmiou den mporei na parei eksairetika aboles theseis.Pare ena aplo ksylino kouti.Einai poly boliko, kathe fora tha to gyrnas sthn meria pou boleyei etsi wste na kathesai sto katallhlo ypsos,an kai kata th gnwmh mou kai ena aplo kareklaki h skamni kanei mia xara.Den yparxei logos oute neo rocker box na ftiakseis oute na baleis panw se koutia to to olo thleskopio kai na meiwseis thn statherothta tou. Diafwnw me to: Safws kai einai OTI kalytero na parathreis kathistos.Eisai ksekourastos den piezeis ton eayto sou kai blepeis kalytera. Katharous Ouranous!

Den ennow thn Zenit fysika alla mia mhxanikh SLR opws oi 3 prwtes pou anefera Btw kai ths Zenit oi antaptores paneykola briskontai. Katharous ouranous

Geia xara! Katallhloteres fwtografikes mhxanes gia astrofwtografhsh einai oi entelws mhxanikes reflex(SLR). Otan leme entelws mhxanikes na mhn xreiazontai kan mpataria gia na leitourghsoun.Oi mpataries se makres ektheseis sto B teleiwnoun grhgora. Shmerina montela tetoia einai elaxista,mporeis omws na breis kai metaxeirismenes se poly kales times.Merikes kales epiloges einai oi Nikon FM2(thn exei o grafwn) h palia Olympus OM1 h Pentax K1000 klp. Epishs kai h fthnh Zenith kanei alla einai sxetika baria kai exei mikrh gama taxythtwn fwtofrakth pou se merikes periptwseis (px fwtografhsh Selhnhs) mporei na se dyskolepsei. San prostheto bonus me mia tetoia reflex tha bgaleis kai wraies kathhmerines fwtografies pou tha kanoun katoxous akribwn compact na triboun ta matia tous Elpizw na se bohthhsa

Geia sou file! Me thleskopio 60 mm mporeis apo pragmatika skoteino ourano na deis ola sxedon ta antikeimena tou katalogou tou messier (nefelwmata,anoikta kai sfairwta smhnh, galaxies) estw me dyskolia. Gia na deis amydra nefelwmata (ypothetw pws ws entelws arxarios thewreis ws nefelwmata ola ta swmata pou exoun nefelwdh morfh ston prosofthalmio perilambanontas kai tous galaxies) xreiazesai megalytero thleskopio. An pragmatika se endiaferei to hobby prosanatolisou se thleskopio me diametro katoptrou 15 h akoma kalytera 20 cm kai panw. Filika giorgos

Tha synexisei na kineitai sthn idia troxia me to diasthmoplio.Thn idia taxythta tha exoun swma kai diasthmoploio efoson to bgaloume kai to afhsoume eksw xwris wthhsh.To idio san na htan mesa sto diasthmoploio kai na aiwrountan mh akoumpwntas kapou.