EGB 6
EGB 6 is a very faint planetary nebula in Leo. It was catalogued by Glenn Ellis, Earl Grayson and Howard Bond in 1984 after looking through prints from the Palomar Sky Survey. It is big (8 light years wide) and relatively close (2100 light years), so it is old (probably 50,000 years) and very very dim.
The image above is a combination of data collected over several years with different cameras and mounts. This target is so dim, I was never happy with previous results - but this has to be final....I won't put any more time into imaging EGB6 (PK221+46.1).
Imaging telescope: Takahashi FSQ130ED
Imaging camera: QSI 6120i & ASI 2600MM
Mount: Takahashi EM 400 & JTW Trident P75
Guiding telescope: Takahashi FS60CB
Guiding camera: QHY 5II & ASI 678 MM (BIN 2)
Focal Extender / Reducer: 0.73X with QSI 6120i camera only
Software: Sequence Generator Pro SGP (for capture) PHD 2 (guiding), Astro Pixel Processor, PixInsight.
Filters: Astrodon Ha (3nm), Astrodon OIII (3nm), Astrodon RGB.
Accessories: Robofocus Focuser controlled by Lunatico Armadillo, ATIK EFW 3, RB Focus Gaius S2, RB Focus Excalibur.
Dates: 15th Apr. 2023 - 6th Apr. 2026
Frames:
Astrodon Ha 15 Min & 10 Min Subs
Astrodon OIII 15 Min & 10 Min Subs
Astrodon RGB 3 x 30 x 2' in 2023
Integration = 33 Hours for 2023
Added: 10 Hours Ha & 7 Hours OIII in 2024.
Added: 10 Hours Ha & 5 Hours OIII in 2026
FINAL TOTAL INTEGRATION TIME: 65 Hours.
Center (RA, Dec): (148.241, 13.772)
Center (RA, hms): 09h 52m 57.873s
Center (Dec, dms): +13° 46' 20.687"
Size: 74 x 49.3 arcmin
Radius: 0.741 deg
Pixel scale: 1.35 arcsec/pixel
"Orientation" : Up is 360.0 degrees E of N
The image above is a combination of data collected over several years with different cameras and mounts. This target is so dim, I was never happy with previous results - but this has to be final....I won't put any more time into imaging EGB6 (PK221+46.1).
Imaging telescope: Takahashi FSQ130ED
Imaging camera: QSI 6120i & ASI 2600MM
Mount: Takahashi EM 400 & JTW Trident P75
Guiding telescope: Takahashi FS60CB
Guiding camera: QHY 5II & ASI 678 MM (BIN 2)
Focal Extender / Reducer: 0.73X with QSI 6120i camera only
Software: Sequence Generator Pro SGP (for capture) PHD 2 (guiding), Astro Pixel Processor, PixInsight.
Filters: Astrodon Ha (3nm), Astrodon OIII (3nm), Astrodon RGB.
Accessories: Robofocus Focuser controlled by Lunatico Armadillo, ATIK EFW 3, RB Focus Gaius S2, RB Focus Excalibur.
Dates: 15th Apr. 2023 - 6th Apr. 2026
Frames:
Astrodon Ha 15 Min & 10 Min Subs
Astrodon OIII 15 Min & 10 Min Subs
Astrodon RGB 3 x 30 x 2' in 2023
Integration = 33 Hours for 2023
Added: 10 Hours Ha & 7 Hours OIII in 2024.
Added: 10 Hours Ha & 5 Hours OIII in 2026
FINAL TOTAL INTEGRATION TIME: 65 Hours.
Center (RA, Dec): (148.241, 13.772)
Center (RA, hms): 09h 52m 57.873s
Center (Dec, dms): +13° 46' 20.687"
Size: 74 x 49.3 arcmin
Radius: 0.741 deg
Pixel scale: 1.35 arcsec/pixel
"Orientation" : Up is 360.0 degrees E of N
Sky Map & Finding Chart
Ha, OIII & RGB in the image:
Annotated Image
