Hemisphere:  Northern  ·  Constellation: Triangulum (Tri)  ·  Contains:  M 33  ·  NGC 598  ·  Triangulum galaxy
M-33 from -23 deg latitude, 


M-33 from -23 deg latitude
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M-33 from -23 deg latitude

Technical card

Imaging telescopes or lenses: TMB APO 92mm f/5.5

Imaging cameras: SBIG ST8300M

Mounts: Sky-Watcher NEQ-6 Goto

Guiding cameras: Starlight-XPress Loadstar guider

Software: PixInsight  ·  photoshop  ·  ccdstack 2.0

Filters: Astronomik LRGB 36mm

Accessory: Teleskop-Service TSOAG 9mm

Dates:Aug. 4, 2012

Frames: 14x900" (3h 30')

Integration: 3h 30'

Avg. Moon age: 17.21 days

Avg. Moon phase: 93.37%

Basic astrometry details

Astrometry.net job: 100632

RA center: 1h 34' 0"

DEC center: +30° 41' 9"

Pixel scale: 4.643 arcsec/pixel

Orientation: -10.688 degrees

Field radius: 1.200 degrees

Resolution: 620x455


This is a typical northern object captured from Brazil in -23 deg latitude.

This galaxy is the thirdy most luminous in our Local Group, after M-31 and the Milk Way. It is lacated 2.8 Million light yars from Earth and is located in Triangulum Constellation.

This galaxy has an optical diameterof about 60 thousand light years, around a half of that of the Milk Way.

The apparent size is 68.7x41.5 arc sec and magnitude 5.7


Stack : Luminance: 14 x 15 min RGB: 10x8 min. each

Scope: TMB 92 f/5.5 on an Eq-6 autoguided by a Loadestar CCD on an OAG.

CCD: ST8300-M

Flats, Darks and Bias applied

Processing: CCDStack and PS-CS-3



  • M-33 from -23 deg latitude, 


  • Final
    M-33 from -23 deg latitude, 



Sky plot

Sky plot


M-33 from -23 deg latitude,