Object name

Dumbbell Nebula

Photograph

Other designations

M27, NGC6853

Date

2/09/2021

Constellation

Vul

Telescope or lens

Meade LX200GPS 10” @f/6

Coordinates

Camera

Starlight Xpress SXVR-H694

Apparent magnitude

7,5

Binning

2x2

Surface brightness

Filters

H-alpha, OIII

Dimensions

8,0’ x 5,6’

Exposure

20x2min (H-alpha), 21x2min (OIII), 11x2min (red), 10x2min (green), 10x2min (blue)

Distance

ca. 400pc

Details

synthetic HDR for H-alpha and OIII; red channel = H-alpha, blue channel = OIII, green channel = 50% H-alpha + 50% OIII; layered (als ‘lighter’) with RGB for showing more stars