Kala shmeia sthn Attikh gia astrofwtografhsh

[aristarchus]

Paidia,

 

8elw na ma8w gia kala shmeia sthn Attikh se sxesh me thn astrofwtografhsh, kapou me polu skotadi kai elaxisto sky-glow. Endiaferoumai gia kati fwtografies me doruforous kai auth th stigmh 8a epithumousa kapoio polu kalo shmeio pros ta notia.

 

Filika,

 

Antwnhs.

[RaQua]

Hello!

 

Loipon, gia skoteino ourano mhn perimeneis polla mesa sthn A8hna.Prepei na bgeis toulaxiston 100 km ektos.Bre8hkame tis proalles ston Parnasso kai par' olo pou eixe asugkrito ourano me ths A8hnas (fainotane aneta o Milky Way,ftaname peripoy sto 6o mege8os elaxisth lamprothta me to mati) ston orizinta mporouses na deis thn lampsh twn fwtwn ths Leibadias!!

To 8ema einai na mporeis na pas oso pio makria ginetai apo fwta polhs (kai idiaitera gia astrofwtografish me film) kai oso pio apomera (bouna, ktl.)....Dustuxws!!

 

Grhgorhs

[aristarchus]

Agaphte Grhgorh,

 

Kamia empeiria me kanena nhsaki; P.x. Kea, Poro, Euboia, Aigina k.a.; Den me peirazei na taksidepsw 100+ xiliometra, arkh na aksizei ton kopo kai xrono.

 

Antwnhs.

[RaQua]

Antwnh,

 

den 3erw kai idiaitera kala shmeia, alla oso pio makria toso pio kala. Apo thn allh mporei na dokimaseis shmeia kai na deis, mporei na tuxei kai na einai kai kaluteros o ouranos. Bre8hka sto Agistri, opou o ouranos htan kaluteros apo ths A8hnas alla mporouses na diakrineis thn fwtorypansh ths sto ba8os, plhsiazontas to 5-5.5 mege8os. Dustuxws h eutuxws (twra pou einai kalokairi...) kane kanena ta3idi an mporeis kai vlepeis.

 

Greg

[Paul1972]

Hello ki apo mena!

Kala ta 100+ klm ektos polhs alla an prokeitai na kaneis parathrhseis h fotografhsh 2-3 fores thn ebdomada einai ligo dyskolo. Prosopika exo brei ena kalo shmeio 2-3 klm e3o apo thn Keratea poy mporeis kai blepeis to MilkyWay me gymno mati pentaka8ara!!! (xoris th selhnh bebaia) Nai, nai einai alh8eia. Opoios endiaferetai mporei na epikoinoneisei mazi moy gia leptomereies.

 

Cu.

[aristarchus]

Geia sas paidia,

 

Se merikes meres euxomai na kserw kati parapano se sxesh me thn Euboia (anatolikh pleura). 8a sas enimerwsw.

 

8a kanw kai mia boltoula sth Kea, Poro, Salamina kai Aigina gia na dw mhpws kati mporei na ginei kai ekei.

 

Filika,

 

Antwnhs.

[rama]

Γειά & χαρά σε όλους

 

Μιάς και γίνεται κουβέντα για καλά σημεία παρατήρησης στην Αττική, μήπως έχει να προτείνει κάποιος τοποθεσίες προς τα βόρεια της Αθήνας (Πάρνηθα κλπ), έστω και με μέτρια κατάσταση σε σκοτεινότητα/cityglow?

 

Ευχαριστώ

Αγγελος

[Suhail]

Skoteinos ouranos???

"Ola tsi Ellados ta ourania oraia kai astrostolismena, ma san tsi kritsi ton ourano den einai allo kanena!!!"

 

NAi, einai alitheia. O ouranos tsi kritsi einai o kaliteros, o notioteros, o skotinoteros tsi ellados, ikanos na kanei kouzoulo opoiondipote erasitehni astronomo asholithei mazi toy!!!

 

Fetos to kalokairi, piga sti Notia Kriti, kai etsi, gia periergeia, anevika sto molo tou limaniou tis Agias Galinis kai koitaksa ton ourano (to limani koitaei notia). Eida ton galaksia opos den ton eiha ksanadei, par'oli ti fotorripansi tou limaniou!!

 

Mia ora meta, ston dromo Agia Galini-Messara, stamatisa me to autokinito se ena skoeino simio. Tora, ti na po? To theama itan aplos megaleiodes. O galaxias itan gia proskinima, me ta M6, M7, M8, M11 orata sto gimno mati. Fainondan aneta ta dark dust lanes tou, pou tosa ehoume akousei gi'auta, kai tosa liga ehoume dei...Hamila ston anatoliko orizonta fainotan to M31.Hiliades asteria....

 

Tis epta meres pou emeina ekei, ekana tria observing sessions, ta opoia mou afisan tis kaliteres endiposeis. Oi galaxies tou sminous tou Glipti fainondan para poli katahara mesa apo to 120mm tilescopoio mou. Alla kai me gymno mati, oi asterismoi (akoma kai autoi pou itan poli hamila sto notio orizonta) "evgainan" fotografika apo tous hartes. Elpizo na katalavate ti thelo na po... POROSI!!!

 

Southern Comfort. Born in Messara, lives everywhere.

[RaQua]

Hello!

 

H ali8eia einai oti o Suhail den exei ka8olou adiko..!Bre8ika gia camping sta notia ths krhths (stis 3 ekklisies kapou konta ston tsoutsoura..) stis 13 aygoustou gia thn akribeia (eixan max oi perseides). Den 8a mporousa na perigrapsw ton ourano para mono me mia photo (kai den exw dustuxws) Polla Messier objects fainontousan me gymno mati konta ston skorpio kai ton to3oth, o gala3ias ths andromedas ktl. Oi perseides fantazan akoma pio ekplhktikes mesa se enan tetoio ourano.

Makari na mporousame na exoume ka8e nuxta tetoio ourano.

 

Grhgorhs

images/smiles/icon_smile.gif

[aristarchus]

Suhail/RaQua,

 

Sas euxaristw gia ta euxarista nea me thn N. Krhth. Prepei na paw suntoma gia na dw kai egw me prwto xeri auta pou grafete.

 

Clear skies! ()

 

Antwnhs.

[aristarchus]

Suhail/RaQua,

 

Mhpws gnwrizete peripou th einai to "limiting magnitude";

 

Antwnhs.

[aristarchus]

Suhail/RaQua,

 

Ta grapta sas me kanoun na skeftomai to Messier Marathon ton epomeno Aprilio opou 8a mporoume na apoktisoume ola ta Messier antikeimena se mia bradya!!!

 

Good stuff!

 

Antwnhs.

[RaQua]

Antwnh,

 

To limited magnitude (lm) den einai tipota perissotero apo thn elaxisth lamprothta pou vlepeis. Fantazomai oti 3ereis oti ola ta astra tou ouranou exoun mia (fainomenh) lamprothta, diaferoun ws pros to poso fwteina fainontai. Yparxoun diava8miseis me to megalutero mege8os na einai ta pio amudra astra (px o a Kuknou (Deneb) einai 1ou mege8ous enw o a Luras (Vega) einai 0ou kai ara pio lampro). Etsi to lm einai h lamprothta twn pio amudrwn astrwn pou vlepeis, loge kapoias pigis fwtorupansis. Gia na vreis to lm psaxneis na vreis ta pio amudra astra pou vlepeis, gia paradeigma apo thn A8hna pou menw egw ftanw suni8ws sto +4.0 .

Auta ta liga. Elpizw na voi8isa..

 

Gregory

[aristarchus]

Geia sou Grhgorh,

 

Se sxesh me to limiting magnitude, ti 8elw na kserw einai mexri peripou ti magnitude (h lamprothta) 8a mporesei kapoios na apokteisei me ton ourano ths Krhths; Dhladh, 8a mporesw me to gymno mati ma dw astra mexri 6,0 h 6,5 h kai isws 7,0 ktl;

 

Antwnhs.

[Suhail]

Here's the South Guy Back!

 

Loipon, aristarchus, to limiting magnitude stin pediada tis Messaras, apo opou ekana tis paratiriseis mou, to limiting magnitude prepei na itan peripou sto 5-6, para tin elahisti fotorripansi pou dimiourgouse to Tybaki (dystihos, den eiha harti tou ourano me megali leptomereia brosta mou!). 2km ekso apo tin agia Galini, to mim mag prepei na otan peri sta 6.5 eno perimeno oti se pio skoteina meri tsi kritsi, opos notios psiloritis, koffinas tha agizei to 7. Dystyhos, omos, mono sto peripou boro na sas ta po. Oson afora tora to Messier marathon , den eho asholithei poli me to thema, kai, dystyhos, os mathitis tis tritis lykeiou oute kata diannoia den boro na kano kati tetoio ton Aprilio. To 2003, isos, ta leme!

[RaQua]

Antwnh,

 

opws apantaei kai o Suhail vlepeis oti agkizeis ta oria (to mati nomizw ftanei mexri to 7o mege8os,upervolika...). Den ti8etai 8ema oti 8a exei skales vradies gia paratiriseis! Apo kei kai pera prepei na voi8ane kai alles sun8ikes opws na mhn exeis feggari kai h fwtorupansh na einai oso to dunato pio xamili (an den uparxei milame gia ton teleio ourano..!). Auto den simainei oti mono h Krhth exei tetoio ourano, sigoura petuxaineis kales nuxtes kai allou alla den exw dokimasei kai oute 3erw akoma kati sta sigoura gia na sou pw.

 

Grhgorhs

[aristarchus]

Geia sou Grhgorh,

 

O logos pou rwtaw gia to optiko limiting magnitude einai gia na parw mia idea an 8a mporesw "grhgora" na f8asw mag 11-12 h oxi. Me optiko limiting magnitude 7, p.x., exw arketh empistosunh oti me astrofwtografhsh 8a exw kala apotelesmeta kai hdh "grhgora". Anti8eta, me optiko limiting magnitude 4,5, p.x., 8a exw polu ligoterh empistounh lwgo sky glow, fwtorupansh k.a.

 

8elw na parw kati fwtografies apo doruforous kai xreiazomai arketo skotadi kai autos einai o kurios logos pou sas rwtaw gia limiting magnitude. Oi sugkekrimenoi doruforoi (geosats) einai magnitude 11 me 12 kai prepei na exw polu kalo ourano.

 

Antwnhs.

[gataca]

Sas xeretw kai egw ... Kainoyrgios kai ASXETOS me ta astronomika !

Diabasa pio panw gia thn KERATEA kai gia kala shmeia ekei.

8a h8ela leptomereies.

Oi parathrhseis pou kanw einai me gymno mati!

(To spiti mou einai sto BGE8I kerateas).

Omologoymenos, exei ka8aro ourano ekei!