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Contains:  IC 4996, Crescent nebula, NGC 6888
Getting plate-solving status, please wait...
Crescent Nebula and Soap Bubble Nebula in HOO, 





    
        

            Dan Gallo
Crescent Nebula and Soap Bubble Nebula in HOO

Technical card

Resolution: 2420x3200

Dates:June 23, 2019

Frames:
Baader f/2 Highspeed 2" H-Alpha Filter: 45x60" -15C bin 1x1
Baader f/2 Highspeed 2" OIII Filter: 45x60" -15C bin 1x1

Integration: 1.5 hours

Darks: ~50

Avg. Moon age: 20.45 days

Avg. Moon phase: 67.72%

Bortle Dark-Sky Scale: 8.00

Astrometry.net job: 2761406

RA center: 303.408 degrees

DEC center: 38.122 degrees

Pixel scale: 1.808 arcsec/pixel

Orientation: 27.160 degrees

Field radius: 1.007 degrees

Locations: Home, Foster City, California, United States

Data source: Backyard

Description

I had another go at imaging the Crescent Nebula with the RASA 11", this time using the ASI1600MM-C and Baader highspeed narrowband filters (Ha and OIII).
If you look carefully, you can just about see the Soap Bubble Nebula in the lower left of the image.

Comments

Author

dgallo
Dan Gallo
License: None (All rights reserved)
1541
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Revisions

  • Crescent Nebula and Soap Bubble Nebula in HOO, 





    
        

            Dan Gallo
    Original
  • Final
    Crescent Nebula and Soap Bubble Nebula in HOO, 





    
        

            Dan Gallo
    B

B

Darkened the background

Sky plot

Sky plot

Histogram

Crescent Nebula and Soap Bubble Nebula in HOO, 





    
        

            Dan Gallo

In these public groups

Celestron RASA