Hemisphere:  Northern  ·  Constellation: Gemini (Gem)  ·  Contains:  PK205+14.1  ·  Sh2-274
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Abell 21 in SHO, 



    
        

            Cedric Raguenaud
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Getting plate-solving status, please wait...
Abell 21 in SHO, 



    
        

            Cedric Raguenaud
Powered byPixInsight
Imaging Telescopes Or Lenses
Takahashi toa 130S
Imaging Cameras
SBIG STF-8300 CCD
Mounts
WS240GT
Filters
Baader SII 8nm 1.25" · Baader OIII 8.5nm 1.25" · Baader Ha 7nm 1.25"
Accessories
ZWO EAF Focuser
Software
PixInsight 1.8 Ripley · Sequence Generator Pro
Guiding Telescopes Or Lenses
Skymeca 3" OAG
Guiding Cameras
ATIK TITAN

Acquisition details

Dates:
Dec. 27, 2020 ·  Jan. 2, 2021 ·  Jan. 3, 2021 ·  Jan. 4, 2021 ·  Jan. 11, 2021 ·  Jan. 12, 2021 ·  Jan. 14, 2021 ·  Jan. 15, 2021 ·  Jan. 18, 2021 ·  Jan. 19, 2021 ·  Feb. 13, 2021 ·  Feb. 14, 2021 ·  Feb. 15, 2021 ·  Feb. 16, 2021 ·  Feb. 17, 2021
Frames:
Baader Ha 7nm 1.25": 27x1200" (9h) -10°C bin 1x1
Baader OIII 8.5nm 1.25": 27x1200" (9h) -10°C bin 1x1
Baader SII 8nm 1.25": 26x1200" (8h 40') -10°C bin 1x1
Integration:
26h 40'
Avg. Moon age:
10.59 days
Avg. Moon phase:
32.30%
Bortle Dark-Sky Scale:
3.00

RA center: 07h29m00s.18

DEC center: +13°1543.3

Pixel scale: 1.587 arcsec/pixel

Orientation: -7.064 degrees

Field radius: 0.570 degrees

More info:Open 

Resolution: 2048x1580

Locations: E-Eye Spain, Fregenal de la Sierra, Spain

Data source: Own remote observatory

Remote source: e-EyE Extremadura

Description

Reprocessins to take into account SII data.

Data: NGCAT (http://ngc.astrophotography.team/)

Processing: Cedric Raguenaud (http://raguenaud.space/)

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