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Pismis 4 in Vela, 


            Lawrence E. Hazel
Pismis 4 in Vela

Pismis 4 in Vela

Technical card

Resolution: 2035x2286

Dates:Feb. 8, 2019

Frames: 16x600"

Integration: 2.7 hours

Avg. Moon age: 3.24 days

Avg. Moon phase: 11.40% job: 2574069

RA center: 8h 34' 10"

DEC center: -44° 15' 14"

Pixel scale: 1.994 arcsec/pixel

Orientation: 173.149 degrees

Field radius: 0.847

Locations: my backyard, Lake Placid, Florida, United States

Data source: Backyard


Pismis 4 is an open cluster located in the southern constellation of Vela. The brightest star of about 45 members shines at 7.5mag. Pismis 4 is in the same line of sight as the Vela supernova remnant (as indicated by the nebula), but further away at a distance of 1900 light years (Vela supernova remnant ~800 light years). It was discovered by Paris Marie Pismis - an astronomer of Aremenian descent(1911-1999), who studied open clusters in Mexico.



Lawrence E. Hazel
License: None (All rights reserved)

Sky plot

Sky plot


Pismis 4 in Vela, 


            Lawrence E. Hazel