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Object: Messier 12 (NGC 6218) Globular Star Cluster- Constellation Ophiuchus

Distance: 16 thousand light years

Date Imaged: July 13 through Aug 4, 2021

Date Image Processed: April 2022

Software Used: Pixinsight, Astro Pixel Processor, CCDStack, CCD Inspector, Photoshop 2022

Telescope: 16 inch Ritchey Chretian Telescope (TPO) with AP 27TVPH Reducer/ Flattener (0.86x)

Effective Focal Length: 2810mm

Image Train: FLI PDF Focuser, Astrodon Takometer Rotator

Camera: ZWO ASI 6200M CMOS Camera operating with Sensor at -10 deg C

Guiding: ZWO 68mm Off-Axis Guider, ASI 174M Guide Camera

Filters: ZWO 7 position Filter Wheel with Chroma 2" LRGB Filters

Resolution: 0.55 arcsec/pixel (bin 2x2)

Exposures: 16.7 hours total duration

30 Luminance - 10 Minute Images binned 2x2

22 Red - 10 Minute Images binned 2x2

25 Green - 10 Minute Images binned 2x2

23 Blue - 10 Minute Images binned 2x2

 

 

 

 

 

© All Images Copyright 2003 - 2024 Brad Bates