Markarian's Chain, RASA 8", 3.5 hrs (no filter)

Posted: Mar 18th, 2026

Technical Info

Telescope/Lens: Celestron RASA 8

Camera: Player One Poseidon-C

Mount: ZWO AM5N

Software: Nina, PixInsight

Exposure:

112 x 120" ISO/Gain: 125 - no filter

Orange, Bortle 6 zone:

Sofrino, Russia

Mar 15th, 2026

3 h 44 m

187

10

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Resolution: 5683x3835 px

Scale: 2491 KB

47

Markarian's Chain

Celestron RASA 8" (F=400mm, F/2.2)

Camera: IMX571, APS-C

Processing in PixInsight: Stacking with 2x drizzle; GraXpert BGE, BlurX, NoiseX, MAS, downsample, another GraXpert BGE, StarX, mask + LHE + curves on the starless frame

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