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HIP 99445 — Star in Sagitta

Magnitude 6.2m Star Sagitta (Sge) Visible
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1Physical Properties

Magnitude 6.22
Spectral Type K0
Star Color Orange (B-V 0.90)

2Position & Identifiers

RA 20h 11m 03.5s
Dec +21° 08' 05.0"
Constellation Sagitta (Sge)
HR 7713
HIP 99445
HD 191814
SAO 88309
SIMBAD

3How easy to spot?

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Equipment Bortle 3 Bortle 4 Bortle 5
Naked eye Hard V. 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

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Best season Jun – Aug (peak: Jul)

5Survey Image

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6

Size Comparison

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7

Compare Stars

8

Spectral Classification

9

Hertzsprung-Russell Diagram

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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

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.

22 Vul
Easy
Observable variable star
Variable Star mag 5.15 2.6° Vulpecula
M27
NGC 6853
Easy
Planetary nebula — try an OIII filter
Planetary Nebula mag 8.1 3.1° Vulpecula
M71
Angelfish Cluster
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 8.2 4.7° Sagitta
13 Vul
Hard
Tight double — a rewarding split at 1.5″
Double Star mag 4.58 5.0° Vulpecula
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