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Getting plate-solving status, please wait...


            Gary Imm


Technical card

Resolution: 2805x1848

Dates:Oct. 5, 2018Oct. 6, 2018

Astrodon Blue 31mm Gen2 I-Series: 40x60" (gain: 139.00) -15C bin 1x1
Astrodon Green 31mm Gen2 I-Series: 40x60" (gain: 139.00) -15C bin 1x1
Astrodon Ha 31mm 5nm: 18x300" (gain: 139.00) -15C bin 1x1
Astrodon Red 31mm Gen2 I-Series: 40x60" (gain: 139.00) -15C bin 1x1

Integration: 3.5 hours

Avg. Moon age: 26.06 days

Avg. Moon phase: 13.26% job: 2332225

RA center: 19h 46' 6"

DEC center: +25° 19' 48"

Pixel scale: 0.781 arcsec/pixel

Orientation: 195.714 degrees

Field radius: 0.364

Locations: Backyard (Mag 20.8 - New Moon), Onalaska, Texas, United States

Data source: Backyard


This object is a hydrogen emission nebula located 8000 light years away in the constellation of Vulpecula. This region is excited by the medium size star at the bottom center of the image, not by the visually larger stars in the upper half of the image. Faint dark dust lanes can be seen running through parts of Sh2-88.

In addition to the main nebula at the bottom, two smaller knots of nebulosity appear towards the top of the image (Sh2-88A left and Sh2-88B right). These knots are believed to be star forming regions, each about 1 minute diameter. The left knot also contains a reflection nebula, which tints the knot a purplish color.

The star field in this area is dense and colorful, especially on the left and lower areas of the image. But despite my best efforts to the contrary, overall I don't find this part of the sky to be very exciting.



Gary Imm
License: None (All rights reserved)

Sky plot

Sky plot




            Gary Imm