---
title: "NGC 3690"
url: "https://spacecatalog.org/object/ngc-3690"
release: "DR1"
licence: "CC-BY-SA-4.0"
citation: "SpaceCatalog. NGC 3690 [catalogue entry]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ngc-3690"
---

# NGC 3690

NGC 3690 is a [galaxy](https://spacecatalog.org/galaxies) pair in the constellation [Ursa Major](https://spacecatalog.org/constellation/ursa-major).

## At a glance

- **WHAT IT IS:** Galaxy pair
- **HOW BIG ON THE SKY:** 2.1′ — Small enough that the full Moon would cover it several times over.
- **WHERE TO LOOK:** [Ursa Major](https://spacecatalog.org/constellation/ursa-major) — The patch of sky it sits in, as seen from Earth.

## Properties

| Quantity | Value |
| --- | --- |
| CLASS | Galaxy pair |
| CONSTELLATION | Ursa Major |
| RIGHT ASCENSION (J2000) | 11h 28m 32.3s |
| DECLINATION (J2000) | +58° 33′ 43.0″ |

## Catalogue data

### WHERE IT IS AND HOW IT MOVES

Position, motion across the sky and the size it covers on it. These are measurements of the object as seen from here, so every one of them depends on where here is.

| Field | Value |
| --- | --- |
| Major axis | 2.1′ |

### OTHER NAMES AND NUMBERS

The identifiers other catalogues file this object under, for anyone joining this data to theirs.

| Field | Value |
| --- | --- |
| OpenNGC type code | GPair |

## Also known as

- NGC: NGC 3690

## Source

[OpenNGC](https://github.com/mattiaverga/OpenNGC) — CC-BY-SA-4.0

The producer asks: OpenNGC, Mattia Verga (github.com/mattiaverga/OpenNGC). Fields derived from it stay under CC BY-SA 4.0.

How this was made: https://spacecatalog.org/methods#source-openngc

## Cite this page

SpaceCatalog. NGC 3690 \[catalogue entry\]. Data release DR1 (2026-08-21). https://spacecatalog.org/object/ngc-3690

```bibtex
@misc{spacecatalog_ngc-3690,
  author       = {{SpaceCatalog}},
  title        = {{NGC 3690}},
  howpublished = {SpaceCatalog, data release DR1 (2026-08-21)},
  year         = {2026},
  url          = {https://spacecatalog.org/object/ngc-3690},
  note         = {Catalogue entry, data release DR1 (2026-08-21). Values from OpenNGC.}
}
```

OpenNGC — CC-BY-SA-4.0

Acknowledgement the producer asks for: OpenNGC, Mattia Verga (github.com/mattiaverga/OpenNGC). Fields derived from it stay under CC BY-SA 4.0.

The page itself, with its pictures, the sky map and the observing tools: https://spacecatalog.org/object/ngc-3690