Hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  Hourglass nebula  ·  IC 1274  ·  IC 1275  ·  IC 4685  ·  Lagoon nebula  ·  M 20  ·  M 21  ·  M 8  ·  NGC 6514  ·  NGC 6523  ·  NGC 6526  ·  NGC 6530  ·  NGC 6531  ·  NGC 6544  ·  NGC 6546  ·  NGC 6559  ·  The star 11Sgr  ·  The star 4Sgr  ·  The star 7Sgr  ·  The star 9Sgr  ·  Trifid nebula
M8 & M20, 



    
        

            Hsiang-Yu Hsieh
M8 & M20
Powered byPixInsight
M8 & M20, 



    
        

            Hsiang-Yu Hsieh
M8 & M20
Powered byPixInsight

Technical card

Imaging telescopes or lenses: PENTAX 75 SDHF

Imaging cameras: Canon 6 D mod.

Mounts: Vixen Advanced Polaris (AP)


Dates:May 18, 2018

Frames: 68x120" (2h 16') ISO1600

Integration: 2h 16'

Darks: 13

Flats: 15

Bias: 10

Avg. Moon age: 3.38 days

Avg. Moon phase: 12.37%

Temperature: 28.00


Basic astrometry details

Astrometry.net job: 2076195

RA center: 18h09m14s.9

DEC center: -24°1409

Pixel scale: 2.696 arcsec/pixel

Orientation: 348.028 degrees

Field radius: 2.920 degrees


Resolution: 6488x4325

Data source: Traveller

Description

This is a two-frames mosaic. It's the first time I used partial brighter/darker method for image.

Comments

Sky plot

Sky plot

Histogram

M8 & M20, 



    
        

            Hsiang-Yu Hsieh

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