Menu

15 Sagittae — Star in Sagitta

Magnitude 5.8m Star Sagitta (Sge) Visible
Star Map
+ List + Plan Star Hop

Observe

1Physical Properties

Magnitude 5.80
Spectral Type G1V
Star Color Yellow (B-V 0.61)
Distance 54 ly

2Position & Identifiers

RA 20h 04m 06.2s
Dec +17° 04' 12.0"
Constellation Sagitta (Sge)
HR 7672
HIP 98819
HD 190406
SAO 105635
Flamsteed 15 Sge
SIMBAD

3How easy to spot?

Sign in and configure your equipment and default location to see a personalized row.
Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Hard+ Hard V. hard+
50mm finder Easy Easy Easy
150mm scope Easy Easy Easy
Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

4Visibility

Set a location in User Settings to see visibility data.

Best season Jun – Aug (peak: Jul)

5Survey Image

Loading survey image…

Explore

6

Size Comparison

Querying VizieR for stellar data…
7

Compare Stars

8

Spectral Classification

9

Hertzsprung-Russell Diagram

Loading HR diagram…
Read: The Hertzsprung-Russell Diagram — Reading Stars Like a Map
10

Stellar Lifecycle

11

Blackbody Spectrum

12

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

13

Stellar Fusion

Discover

14

Light Travel Time Machine

15

Relativistic Travel

Nearby in the Sky

Other targets within a few degrees — pan your scope a little and keep exploring.

Visibility scores assume a 150 mm Newton at Bortle 4.

10 Sge
Medium+
Pulsating variable, period 8.4d
Variable Star mag 5.36 2.0° Sagitta
Gamma Sge
Easy
Cool red giant
Star mag 3.47 2.7° Sagitta
M71
Angelfish Cluster
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 8.2 3.0° Sagitta
M27
NGC 6853
Easy
Planetary nebula — try an OIII filter
Planetary Nebula mag 8.1 5.7° Vulpecula
Pi Aql
Hard+
Tight double — a rewarding split at 1.4″
Double Star mag 5.72 6.4° Aquila
Show on Map

Explore Nightbase

Related knowledge, tools, and stories — no observation planning required.

Arthur Eddington
1919 eclipse expedition confirming general relativity; first theory of stellar interiors; the Eddington limit
Biography
Sagitta
Mythology, bright stars, and deep-sky highlights.
Constellation
The Life of Stars
From birth in a nebula to spectacular death — how stars are born, shine, swell, and die, and how to read the clues in their starlight.
Article
}