Wednesday, May 1, 2024

Messier 35 and NGC 2158

 


Messier 35 or M35, also known as NGC 2168, is an open cluster of stars in the northern constellation of Gemini. It was discovered by Philippe Loys de Chéseaux around 1745 and independently discovered by John Bevis before 1750. The cluster is scattered over an area of the sky almost the size of the full moon and is located 3,870 light-years (1,186 parsecs) from Earth. The compact open cluster NGC 2158 lies directly southwest of M35. 


Imaging Telescope: Vixen ED81s f/7.7 

Mount: Skywatcher HEQ5 Synscan Pro (belt mod) 

Camera: QHY 533M 

Filter Wheel: QHY CFW3S-SR 

Filters: L,R,G,B

Guiding camera: ZWO ASI120MM Mini (mono)

Guidescope: SkyWatcher EvoGuide 50ED

Constellation: Gemini

Date: 27-28 April 2024 

Location: Kifisia - Athens, Greece

Sky brightness: B7

Exposure Time: 

L: 40x60 sec (gain: 56.00, offset: 12.00) 0°C bin 1×1 

R: 40x60 sec (gain: 56.00, offset: 12.00) 0°C bin 1×1 

G: 40x60 sec (gain: 56.00, offset: 12.00) 0°C bin 1×1  

B: 40x60 sec (gain: 56.00, offset: 12.00) 0°C bin 1×1

Acquisition: N.I.N.A v3 

Processing: Pixinsight, Photoshop

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