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Observation by Steve Knight: TON 618

Uploaded by

Steve Knight

Observer

Steve Knight

Observed

2025 Jul 28 - 22:33

Uploaded

2025 Jul 29 - 10:28

Objects

NGC414
UGC 7604

Planetarium overlay









Constellation

Canes Venatici

Field centre

RA: 12h27m
Dec: +31°20'
Position angle: -0°27'

Field size

0°37' × 0°30'

Equipment
  • Seestar S50
Exposure

x120 30 sec exposures

Location

Skilgate, Somerset

Target name

TON 618

Title

TON 618

About this image

Tonantzinla 618 is a quasar containing one of the most massive black holes observed, 66 billion solar masses.  Light travel time is 10.8 billion years.  Just to the left of it is UGC 7604 and bottom right is NGC 4414. 

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