When is the best time to observe 35 Piscium?

35 Piscium is best observed from August through October, with peak visibility during September when it transits around midnight in the Northern Hemisphere.

Where is 35 Piscium located in the sky?

35 Piscium lies in the constellation Pisces at right ascension 00h 15m and declination +08° 49′.

What telescope do I need to split 35 Piscium?

Splitting 35 Piscium requires an aperture of roughly 60 mm or larger — the components are separated by about 11.2″ at magnitudes near 5.8. Larger apertures and steady seeing help resolve the pair cleanly.

35 Piscium — Double Star in Pisces

Observable Double Star Excellent (61/100)

Sep: 11.2", Companion: mag 7.5

Magnitude 5.8^m DoubleStar Pisces (Psc) Visible

Star Map + List + Plan Star Hop

Observe

1Physical Properties

Magnitude 5.79

Range 6.01 - 6.05

Period 20.2 hours

Variable Type Ellipsoidal Variable

Spectral Type F0IV subgiant

Star Color Yellow-white (B-V 0.31)

Distance 192 ly

2Position & Identifiers

RA 00h 14m 58.8s

Dec +08° 49' 15.0"

Constellation Pisces (Psc)

HR 50

HIP 1196

HD 1061

SAO 109087

Flamsteed 35 Psc

Variable ID UU Psc

Double Cat 191

SIMBAD

3How easy to split?

Primary 5.8 mag Companion 7.5 mag Separation 11.2″

Sign in and configure your equipment and default location to see a personalized row.

Telescope	Bortle 3	Bortle 4	Bortle 5
80 mm refractor 80mm refr.	Easy	Easy	Easy
150 mm Newton 150mm Newt.	Easy	Easy	Easy
Celestron C8 (203 mm SCT) C8 203mm	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 Aug – Oct (peak: Sep)

5Light Curve

6Multiple Star System Triple

Components 3 (triple)

Component IDs A

Separation 11.2″

Companion Mag 7.5

Companion Sp F3V

Position Angle 148°

Star Colors A: Yellow-white B: Yellow-white

Discoverer STF 12

Notes

Component A is SB. ADS 191B, 7.3v dA7 at 12". Period apsidal motion, 3y. Possible radio binary.

Separation over time

Measured 1782 → 2019 (237 y)

Separation drift 12.5" → 11.2" (-1.30")

Rate -0.0055" / y

PA drift 149° → 148° (-1°, -0.004°/y)

Slow change over generations — observable in lifetime comparisons.

Measured from the WDS observational archive. No orbital solution has been derived — most likely the period is too long to fit an orbit to the available measurement arc.