Crescent and "Soap Bubble"

Crescent and "Soap Bubble" Aug 26, 2023 468 views3840×25452.3 MB

Achim Schaller

Backyard

Achim Schaller, Marzell (BW), DE

Bortle

Cyg

20h 13m 37s · +38° 9′ 43″

0.87°

1.36″/px

146.09°N

Integration

LP	5×180″	15′	22 Aug 2023	31%
Hα	42×180″	2h 6′	22 Aug 2023	31%
OIII	20×180″	1h	21 Aug 2023	22%
Totals		3h 21′	21-22 Aug 2023	28%

LP	5×180″=15′
22 Aug 2023	31%

Hα	42×180″=2h 6′
22 Aug 2023	31%

OIII	20×180″=1h
21 Aug 2023	22%

Totals	3h 21′
21-22 Aug 2023	28%

Equipment

Telescope	(DIY)12" F/4 Newtonian
Cameras	SonyA7RIV ZWOASI294MM Pro
Filters	IDASLPS-P2 2" Sense-Tech Innovation Company (STC)H-alpha 7nm 2" Sense-Tech Innovation Company (STC)OIII 7nm 2"
Accessories	TS-OpticsNEWTON Coma Corrector 0.85x Reducer - big Sensors - 3" connection (TSNTRed) ViltroxEF-EOS M2 Speed Booster
Software	DxO Image ScienceNIK Collection Nikita MisiuraStarNet Pleiades AstrophotoPixInsight Russell Croman AstrophotographyBlurXTerminator Topaz LabsDeNoise AI

Objects

Crescent Nebula NGC 6888

Description

Struggling with clouds and guiding errors I finished the image (at least for this season) with only 3h exposure time.
Used the ASI 294mm pro for ha and oiii in combination with the 3" 0.85x coma corrector and the Viltrox 0.72x SpeedBooster.
The stars come from the Sony A7R4.

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