Messier 92

• Photographer : Pierrot

• Date : 30. May. 2022

• Place : Danyang

• Telescope : SHARPSTAR SCA260 (FL 1300mm/F5)

• Mount : Rainbowastro RST400 with Noh's pier

• Camera : ZWO ASI2600MM Pro (-10C deg. cooled)

• Guide : OAG with ZWO ASI174MM

• Software : Adobe Lightroom, Pixinsight

• Exposure : Total 47.5 minutes

L (Baader L) : 100 x 15 sec (Gain : 100) / 25 Min

RGB (Baader) : 30 each x 15 sec (Gain : 100) / 22.5 Min

Bias / Dark /Flat / Darkflat : no