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HIP 98738 — Star in Sagitta

Magnitude 6.0m Star Sagitta (Sge) Visible
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1Physical Properties

Magnitude 5.96
Spectral Type K3II-III+G8IV bright giant
Star Color Red (B-V 1.42)

2Position & Identifiers

RA 20h 03m 16.4s
Dec +18° 30' 02.0"
Constellation Sagitta (Sge)
HR 7662
HIP 98738
HD 190211
SAO 105608
SIMBAD

3How easy to spot?

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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

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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.

Gamma Sge
Easy
Cool red giant
Star mag 3.47 1.5° Sagitta
M71
Angelfish Cluster
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 8.2 2.3° Sagitta
10 Sge
Medium+
Pulsating variable, period 8.4d
Variable Star mag 5.36 2.5° Sagitta
M27
NGC 6853
Easy
Planetary nebula — try an OIII filter
Planetary Nebula mag 8.1 4.3° Vulpecula
NGC 6830
Easy
Open cluster
Open Cluster mag 7.9 5.4° Vulpecula
Show on Map

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