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  1. Galleries
  2. »
  3. Astrophotography
  4. » Comet Catalina

 
Comet Catalina...

Astrofoto II

View gallery (23 photos)

Comet Catalina sent on December 15, 2015 (17:46) by Aleziggio. 18 comments, 2504 views.

at 197mm, Posa B f/4.9, ISO 1600, tripod.

Nella stessa notte in cui andavo a caccia di stelle cadenti, ho atteso anche il sorgere della Cometa Catalina, ancora piuttosto bassa ma già fotografabile con profitto. Ed eccola, in tutto il suo splendore con la doppia coda, quella di polveri e quella ionica. Fotocamera su montatura EQ5 con un totale di 15 minuti di pose, riallineate sia sulle stelle dello sfondo che sul nucleo della cometa, unendo infine sfondo e cometa ripuliti dai trails. Location: Colle delle Finestre, 2200 m a -10°C, ore 6 del mattino, quest'anno incredibilmente ancora sgombro dalla neve a dicembre. Condizioni di cielo quasi perfette: ne è valsa la levataccia



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avatarsenior
sent on December 15, 2015 (18:19) | This comment has been automatically translated (show/hide original)

Wonderful ... congratulations !!!

avatarsenior
sent on December 15, 2015 (18:44) | This comment has been automatically translated (show/hide original)

Thanks Slashleo! And thanks to our mountains which offer a resume point fabulous! -D

Greetings!

avatarjunior
sent on December 15, 2015 (18:44) | This comment has been automatically translated (show/hide original)

Azz !!! Beautiful!! I hope to give it a try too!

avatarjunior
sent on December 15, 2015 (18:52) | This comment has been automatically translated (show/hide original)

Superb. The relative motion of the stars is much?

user28347
avatar
sent on December 15, 2015 (19:58) | This comment has been automatically translated (show/hide original)

ever, beautiful and interesting and well done

avatarsupporter
sent on December 15, 2015 (20:24) | This comment has been automatically translated (show/hide original)

Bravissimo -D

avatarsenior
sent on December 15, 2015 (22:45) | This comment has been automatically translated (show/hide original)

Excellent

avatarsenior
sent on December 15, 2015 (22:49) | This comment has been automatically translated (show/hide original)

Thank you all! :-)
Pasotteo: From now on it should become easier to take it up because it rises gradually from the horizon, even if the magnitude, to strive, will decrease. The other night the conditions were optimal, clear skies and cold temperatures which greatly improve sensor performance, combined to the total lack of wind
Giovanni: The relative motion of the stars we see a lot in comets, that counts between two shots taken at 7 minutes from the nucleus of the comet in the two photos does not overlap more even partially, in this case. The Lovejoy was moving even faster

Greetings!

avatarsenior
sent on December 15, 2015 (22:49) | This comment has been automatically translated (show/hide original)

Thank you all! :-)
Pasotteo: From now on it should become easier to take it up because it rises gradually from the horizon, even if the magnitude, to strive, will decrease. The other night the conditions were optimal, clear skies and cold temperatures which greatly improve sensor performance, combined to the total lack of wind
Giovanni: The relative motion of the stars we see a lot in comets, that counts between two shots taken at 7 minutes from the nucleus of the comet in the two photos does not overlap more even partially, in this case. The Lovejoy was moving even faster

Greetings!

avatarjunior
sent on December 16, 2015 (13:28) | This comment has been automatically translated (show/hide original)

Beautiful creation! compliments! :-)

total of 15 minutes of poses, realigned both stars on the background that the nucleus of the comet, finally joining background comet and cleaned of trails


Can I ask what software you used to perform these operations?
Thanks, David

avatarsenior
sent on December 16, 2015 (18:00) | This comment has been automatically translated (show/hide original)

Hello David, thank you! Use GIMP. Greetings!

avatarjunior
sent on December 16, 2015 (19:53) | This comment has been automatically translated (show/hide original)

Thanks for the info ;-)
Hello

avatarsenior
sent on December 17, 2015 (2:04) | This comment has been automatically translated (show/hide original)

Well done Alessandro!

avatarjunior
sent on December 18, 2015 (15:15) | This comment has been automatically translated (show/hide original)

Thanks David.
I guess it's the fundamental montatuta Equatorial true? in which case I will try to make me pay ...

avatarsenior
sent on December 18, 2015 (16:05) | This comment has been automatically translated (show/hide original)

Thanks Beppe! Greetings and clear skies! :-)

Pasotteo: The equatorial mount is needed, or a tracking camera. I used a focal length of 200 mm for this photo, then an objective already long enough. In the case of wind, which in the mountains never fails, you have a more solid frames, the better. Even the low temperatures help to improve the performance of the sensor, so I always leave the camera in the cold for 30 minutes to obtain the best possible result: that morning there were -10 ° C, so it was pretty much like having a room cooled to the end ! -D Last but not least, the location is decisive: a very dark sky will allow you to capture the detail and colors much more easily than a sky near population centers. Greetings!

avatarjunior
sent on December 19, 2015 (11:29) | This comment has been automatically translated (show/hide original)

Thank you and congratulations again!

avatarsenior
sent on December 24, 2015 (23:02) | This comment has been automatically translated (show/hide original)

Extraordinary capture! Up early and it 'was certainly worth!

avatarjunior
sent on March 21, 2018 (13:54) | This comment has been automatically translated (show/hide original)

this other


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